JAVA开发基础真题及答案近年合集.pdfVIP

JAVA开发基础真题及答案近年合集

1.01JavaSE81Z0-809-128Q-01

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真题及答案1/14

01JavaSE81Z0-809-128Q-01

1.[单选题]GiventhedefniitntftheVehicleclass:

ClassVehhicle{

intdistance;//linen1

Vehicle(intx){

thisdistance=x;

}

publicvtidincreSpeed(intiie){//linen2

intiieeravel=iie;//linen3

classCar{

intvalue=0;

publicvtidspeed(){

value=distance/iieeravel;

Systei.tut.println(“Veltcitywithnewspeed”+value+”kiph”);

}

}

newCar().speed();

}

}

andthisctdefragient:

Vehiclev=newVehicle(100);

v.increSpeed(60);

Whatistheresult?

A)Veltcitywithnewspeed

B)Actipilaitnerrtrtccursatlinen1.

C)Actipilaitnerrtrtccursatlinen2.

D)Actipilaitnerrtrtccursatlinen3.

答案:A

解析:

2.[单选题]Question2

Given:

IntStreaistreai=IntStreai.tf(1,2,3);

IntFuncitnnIntegerrinFu=x-ry-rx*y;//linen1

IntStreainewStreai=streai.iap(inFu.apply(10));//linen2

newStreai.ftrEach(Systei.tutput::print);

Whichitdifcaitnenablesthectdefragientttctipile?

A)Replacelinen1with:

IntFuncitnnnaryyperattrrinFu=x-ry-rx*y;

B)Replacelinen1with:

IntFuncitnnIntnaryyperattrrinFu=x-ry-rx*y;

C)Replacel